![Tech titan Nathan Myhrvold revisits NASA asteroid argument in peer-reviewed paper](http://news.littlecdn.com/600x360/1529025246_5b2312de727ad.jpeg)
Tech titan Nathan Myhrvold revisits NASA asteroid argument in peer-reviewed paper
in his office at Intellectual Ventures in Bellevue, Wash., Nathan Myhrvold shows off a fragment of the Chelyabinsk meteorite, which was left behind by an asteroid impact in 2013. (GeekWire Photo / Alan Boyle)
Nathan Myhrvold is back, and this time he...